Plastic kayaks and canoes are made of hdpe and it's tricky to repair. get tips for fixing scratches, holes, and cracks and know when to turn to the pros. plastic kayaks and canoes are made of hdpe and it's tricky to repair. how to repair damage to plastic kayaks and canoes lear to repair scratches, holes, gouges and cracks . share flipboard. This video shows how to repair cracks in plastic kayaks using either extra plastic or a repair compound.. For smallish holes you want to get some polyethylene welding rod (presuming the boat is polyethylene) for large holes you need to get a patch. the basic idea is to melt the rod into the hole using a hot air gun or hot metal. as you've melted two of the same material together this repair should be very strong..
I have a sit on top type kayak that has a tiny hole near one of the drain holes due to scraping over rocks in rivers. you might want to try silicone sealant if it's a small hole and there's not too much flex at the point of repair. i've got a sit-on-top kayak too, and i know the plastic is a lot thicker, so the silicone is less likely to. So i noticed today when i pulled my kayak out of the water and put it on the kayak cart a lot of water coming from underneath my boat. after further inspection i found that i had a pencil sized hole under the keel at the very back of the boat (making it impossible to access from the inside).. Sit-on-top & sit-inside kayak. pedal & motorized kayaks.
